diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_device.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_device.c b/drivers/infiniband/core/uverbs_std_types_device.c index 302f898c5833..9ec6971056fa 100644 --- a/drivers/infiniband/core/uverbs_std_types_device.c +++ b/drivers/infiniband/core/uverbs_std_types_device.c @@ -317,8 +317,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_GID_TABLE)( struct ib_device *ib_dev; size_t user_entry_size; ssize_t num_entries; - size_t max_entries; - size_t num_bytes; + int max_entries; u32 flags; int ret; @@ -336,19 +335,16 @@ static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_GID_TABLE)( attrs, UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES, user_entry_size); if (max_entries <= 0) - return -EINVAL; + return max_entries ?: -EINVAL; ucontext = ib_uverbs_get_ucontext(attrs); if (IS_ERR(ucontext)) return PTR_ERR(ucontext); ib_dev = ucontext->device; - if (check_mul_overflow(max_entries, sizeof(*entries), &num_bytes)) - return -EINVAL; - - entries = uverbs_zalloc(attrs, num_bytes); - if (!entries) - return -ENOMEM; + entries = uverbs_kcalloc(attrs, max_entries, sizeof(*entries)); + if (IS_ERR(entries)) + return PTR_ERR(entries); num_entries = rdma_query_gid_table(ib_dev, entries, max_entries); if (num_entries < 0) |